<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[MTS: Rules Over Emotion]]></title><description><![CDATA[감정보다 규칙, 데이터로 투자하다]]></description><link>https://www.youngkookj.com/blog</link><generator>RSS for Node</generator><lastBuildDate>Sat, 11 Apr 2026 12:39:36 GMT</lastBuildDate><atom:link href="https://www.youngkookj.com/ko/blog-feed.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[MTS Monthly Review – March 2026]]></title><description><![CDATA[Reporting Period: March 2 – March 31, 2026 1. Monthly Overview March marked the first regime transition since the launch of the MTS framework. From a regime perspective, the month began under the Up regime , supported by relatively strong earnings momentum. However, in mid-March, a deterioration in Earnings Strength  caused the MTS score to fall below the threshold required to sustain the Up regime. This triggered the first regime shift from Up to Neutral , leading to the system’s first...]]></description><link>https://www.youngkookj.com/ko/post/mts-monthly-review-march-2026-1</link><guid isPermaLink="false">69d31773b8d1979911eb0a9a</guid><pubDate>Mon, 06 Apr 2026 02:16:41 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[MTS Monthly Review – March 2026]]></title><description><![CDATA[Reporting Period: March 2 – March 31, 2026 1. Monthly Overview March marked the first regime transition since the launch of the MTS framework. From a regime perspective, the month began under the Up regime , supported by relatively strong earnings momentum. However, in mid-March, a deterioration in Earnings Strength  caused the MTS score to fall below the threshold required to sustain the Up regime. This triggered the first regime shift from Up to Neutral , leading to the system’s first...]]></description><link>https://www.youngkookj.com/post/mts-monthly-review-march-2026</link><guid isPermaLink="false">69d30ba1f7044e6cf7b09678</guid><category><![CDATA[Performance & Risk Review]]></category><pubDate>Mon, 06 Apr 2026 01:40:05 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 13 — Weekly Operation Log (2026-04-02)]]></title><description><![CDATA[Period: 2026-03-28 ~ 2026-04-02 (Friday close basis) Current Regime: Neutral Asset Allocation: SPYM:  30% TLT:   20% SGOV:  50% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) Weekly Return -1.36% -2.28% +0.92% YTD Return -9.57% -10.73% +1.16% Current Drawdown -9.57% -10.73% +1.16%   ※Performance is reported for record-keeping purposes only and should be interpreted using the framework defined in Performance...]]></description><link>https://www.youngkookj.com/post/week-13-weekly-operation-log-2026-04-03</link><guid isPermaLink="false">69d30193072d140cb95a34f0</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 06 Apr 2026 01:12:02 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 12 — Weekly Operation Log (2026-03-27)]]></title><description><![CDATA[Period: 2026-03-21 ~ 2026-03-27 (Friday close basis) Current Regime: Neutral Asset Allocation: SPYM:  30% TLT:   20% SGOV:  50% Action This Week: Regime Change: Up → Neutral Rebalanced portfolio following regime shift. First regime change since system launch. ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -1.98% -2.23% +0.25% -1.77% -2.02% +0.25% YTD Return -8.32% -8.64% +0.32% -5.11% -5.44% +0.33%...]]></description><link>https://www.youngkookj.com/post/week-12-weekly-operation-log-2026-03-27</link><guid isPermaLink="false">69c9d322495b61304354e1c4</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 30 Mar 2026 02:00:28 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 11 — Weekly Operation Log (2026-03-20)]]></title><description><![CDATA[Period: 2026-03-14 ~ 2026-03-20 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -1.66% -2.07% +0.41% -1.18% -1.59% +0.41% YTD Return -6.47% -6.56% +0.09% -3.40% -3.49% +0.09% Current Drawdown -6.47% -6.56% +0.09% -4.25% -4.22% -0.03%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-11-weekly-operation-log-2026-03-20</link><guid isPermaLink="false">69c09e7918a3837b55bb8cc0</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 23 Mar 2026 02:07:45 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 10 — Weekly Operation Log (2026-03-13)]]></title><description><![CDATA[Period: 2026-03-07 ~ 2026-03-13 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -1.67% -1.50% -0.17% -0.81% -0.64% -0.17% YTD Return -4.89% -4.58% -0.31% -2.25% -1.92% -0.33% Current Drawdown -4.89% -4.58% -0.31% -3.11% -2.67% -0.34%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-10-weekly-operation-log-2026-03-13</link><guid isPermaLink="false">69b759b2b77817bc0c9e4ded</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 16 Mar 2026 01:31:13 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 9 — Weekly Operation Log (2026-03-06)]]></title><description><![CDATA[Period: 2026-02-28 ~ 2026-03-06 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -1.97% -1.98% +0.01% +1.12% +1.11% +0.01% YTD Return -3.28% -3.13% -0.15% -1.45% -1.29% -0.16% Current Drawdown -3.28% -3.13% -0.15% -2.31% -2.04% -0.23%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-9-weekly-operation-log-2026-03-06</link><guid isPermaLink="false">69ae28647bcffb82205d8107</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 09 Mar 2026 02:03:13 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[MTS Monthly Review – February 2026]]></title><description><![CDATA[Reporting Period: February 2 – February 27, 2026 1. Monthly Overview February was the second full month of 2026 operations under the MTS framework. From a regime perspective, the month was also stable. Starting Regime: UP Ending Regime: UP Regime Changes: 0 Final YTD Return (MTS $): -1.33% Final YTD Return (SPY $): -1.16% Alpha vs SPY ($): -0.17% Maximum Drawdown (MTS $): -1.33% Although performance remained modestly negative, February served as a quiet stress test for the model. MTS...]]></description><link>https://www.youngkookj.com/post/mts-monthly-review-january-2026-1</link><guid isPermaLink="false">69a506b5fe2730c04132ae34</guid><category><![CDATA[Performance & Risk Review]]></category><pubDate>Mon, 02 Mar 2026 04:30:50 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 8 — Weekly Operation Log (2026-02-27)]]></title><description><![CDATA[Period: 2026-02-21 ~ 2026-02-27 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -0.42% -0.50% +0.08% -0.88% -0.96% +0.08% YTD Return -1.33% -1.16% -0.17% -2.53% -2.37% -0.16% Current Drawdown -1.33% -1.16% -0.17% -3.39% -3.11% -0.28%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-8-weekly-operation-log-2026-02-27</link><guid isPermaLink="false">69a5058b51b11cfaff009ce9</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 02 Mar 2026 03:40:17 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 7 — Weekly Operation Log (2026-02-20)]]></title><description><![CDATA[Period: 2026-02-14 ~ 2026-02-20 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return +1.06% +1.13% -0.07% +1.43% +1.49% -0.06% YTD Return -0.92% -0.67% -0.25% -1.66% -1.42% -0.24% Current Drawdown -0.92% -0.67% -0.25% -2.53% -2.17% -0.36%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-7-weekly-operation-log-2026-02-20</link><guid isPermaLink="false">699bab98b89ac23fa77e4dd8</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 23 Feb 2026 01:31:29 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 6 — Weekly Operation Log (2026-02-13)]]></title><description><![CDATA[Period: 2026-02-07~ 2026-02-13 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -1.11% -1.28% +0.17% -2.63% -2.80% +0.17% YTD Return -1.96% -1.78% -0.18% -3.05% -2.87% -0.18% Current Drawdown -1.96% -1.78% -0.18% -3.90% -3.61% -0.29%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-6-weekly-operation-log-2026-02-13</link><guid isPermaLink="false">6993094c7e0fff32961106d0</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 16 Feb 2026 12:30:30 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[MTS Monthly Review – January 2026]]></title><description><![CDATA[Reporting Period: January 5 – January 30, 2026(Friday close basis) 1. Monthly Overview January was the first full month of 2026 operations under the MTS framework.From a regime perspective, the month was remarkably stable. Starting Regime: UP Ending Regime: UP Regime Changes: 0 Final YTD Return (MTS $): -0.86% Final YTD Return (SPY $): -0.50% Alpha vs SPY ($): -0.36% Maximum Drawdown (MTS $): -0.86% Although the portfolio experienced a modest negative return, the system behaved exactly as...]]></description><link>https://www.youngkookj.com/post/mts-monthly-review-january-2026</link><guid isPermaLink="false">698bfba241590511a34820f0</guid><category><![CDATA[Performance & Risk Review]]></category><pubDate>Wed, 11 Feb 2026 04:22:34 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 5 — Weekly Operation Log (2026-02-06)]]></title><description><![CDATA[Period: 2026-01-31~ 2026-02-06 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -0.36% -0.20% -0.16% +0.53% +0.70% -0.17% YTD Return -0.86% -0.50% -0.36% -0.43% -0.06% -0.37% Current Drawdown -0.86% -0.50% -0.36% -1.31% -0.83% -0.48%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-5-weekly-operation-log-2026-02-06</link><guid isPermaLink="false">6989627540d7c5baf3af7b54</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 09 Feb 2026 04:38:09 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 4 — Weekly Operation Log (2026-01-30)]]></title><description><![CDATA[Period: 2026-01-24~ 2026-01-30 (Friday close basis) Current Regime: UP Asset Allocation: SPYM:  56% SPXL:   14% SGOV:  30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -0.05% +0.40% -0.45% +0.26% +0.70% -0.44% YTD Return -0.50% -0.30% -0.20% -0.95% -0.76% -0.19% Current Drawdown -0.50% -0.30% -0.20% -1.83% -1.52% -0.29%   ※Performance is reported for record-keeping purposes...]]></description><link>https://www.youngkookj.com/post/week-4-weekly-operation-log-2026-01-30</link><guid isPermaLink="false">697df8a445fce64fde1bd617</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Sat, 31 Jan 2026 14:00:46 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 3 — Weekly Operation Log (2026-01-23)]]></title><description><![CDATA[Period: 2026-01-19~ 2026-01-23 (Friday close basis) Current Regime: UP Asset Allocation: SPYM: 56% SPXL:   14% SGOV: 30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary: MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -0.22% -0.35% +0.13% -2.08% -2.21% +0.13% YTD Return -0.45% -0.70% +0.25% -1.21% -1.46% +0.25% Current Drawdown -0.45% -0.70% +0.25% -2.08% -2.21% +0.13%  ※Performance is reported for record-keeping purposes only...]]></description><link>https://www.youngkookj.com/post/week-3-weekly-operation-log-2026-01-23</link><guid isPermaLink="false">6976eb90c28ec6f25192f673</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 26 Jan 2026 04:33:03 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 2 — Weekly Operation Log (2026-01-19)]]></title><description><![CDATA[Period: 2026-01-12~ 2026-01-16 (Friday close basis) Current Regime: UP Asset Allocation: SPYM: 56% SPXL:   14% SGOV: 30% Action This Week: None ※This section records execution facts, not opinions. Performance Summary MTS( $ ) SPY( $ ) Alpha( $ ) MTS(￦) SPY(￦) Alpha(￦) Weekly Return -0.23% -0.35% +0.12% +0.89% +0.77% +0.12% YTD Return -0.23% -0.35% +0.12% +0.89% +0.77% +0.12% Current Drawdown -0.23% -0.35% +0.12% +0.00% +0.00% +0.00% ※Performance is reported for record-keeping purposes only...]]></description><link>https://www.youngkookj.com/post/week-2-weekly-operation-log-2026-01-19</link><guid isPermaLink="false">696da0fcd122d90ed9691c46</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Mon, 19 Jan 2026 03:46:20 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 1 — Weekly Operation Log (2026-01-12)]]></title><description><![CDATA[Period: 2026-01-05~ 2026-01-09 (Friday close basis) Current Regime: UP Asset Allocation: SPYM: 56% SPXL:   14% SGOV: 30% Action This Week: Allocation alignment trades executed to match predefined regime weights ※This section records execution facts, not opinions. Performance Summary: Weekly Return: N/A YTD Return: N/A Drawdown (if applicable): N/A   ※Performance is reported for record-keeping purposes only and should be interpreted using the framework defined in Performance Overview. Risk...]]></description><link>https://www.youngkookj.com/post/week-1-weekly-operation-log-2026-01-12</link><guid isPermaLink="false">6965ca1ff5f677155675cfa6</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Tue, 13 Jan 2026 04:30:04 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item><item><title><![CDATA[Week 0 — Initial State of the System]]></title><description><![CDATA[This site documents the live operation of a rule-based system. The purpose of this project is not to predict markets or provide investment advice, but to design, implement, and operate a system under uncertainty and to record that process consistently. All decisions within the system are governed by predefined rules. No discretionary profit-taking is applied. Changes occur only when conditions defined by the system change. This entry marks the initial state of the system. From this point...]]></description><link>https://www.youngkookj.com/post/week-0-initial-state-of-the-system</link><guid isPermaLink="false">6965c68ef5f677155675c7ac</guid><category><![CDATA[Weekly Operation Log]]></category><pubDate>Tue, 13 Jan 2026 04:15:33 GMT</pubDate><dc:creator>Youngkook Jung</dc:creator></item></channel></rss>