Daily Signal Scan
π 2026-05-21 β εε€ Β· Accumulation
γδΈ»η·γ Foreign rotating INTO ε
ι» (+364M) and OUT of ιθδΏιͺ (-112M). Retail panic-selling AMTRAN at -8.7Ο while foreign accumulates β classic smart money divergence (15 stocks triggered). UMC on 9-day foreign buying streak (+483M cumulative).
γεθγ DELTA holders surging +39.7% while big holders exit (-1.1%) β distribution pattern if it spreads to more stocks. Unusual selling in PTTC. (-7.6Ο) β if this is lead indicator of broader distribution, thesis reverses.
γθ§ΈηΌγ Watch if UMC streak breaks (would signal position complete). Monitor DELTA holder growth next week β acceleration = exit signal. Next trading day: STOCK_DAY_ALL + T86 institutional data at 15:00 CST.
γε€±ζγ If foreign turns net seller for 3+ consecutive days across semiconductors, accumulation thesis invalidated.
βββ Data: TWSE T86 + STOCK_DAY_ALL β as-of 2026-05-21 close β 33 sectors, 39 signals
π§ Smart Money Signal (H3: p<0.0001, avg +0.91% 20d)
Foreign buying while retail panic-sells. Historically profitable.
| Stock | Foreign | Retail | Retail Z |
|---|---|---|---|
| AUO 2409 | +156,970K | -159,245K | -5.0Ο |
| INX 3481 | +98,089K | -109,185K | -2.1Ο |
| Compal 2324 | +52,079K | -31,250K | -2.4Ο |
| KINPO 2312 | +46,560K | -44,845K | -7.9Ο |
| NPC 1303 | +32,941K | -33,437K | -2.4Ο |
| Hannstar 6116 | +31,811K | -32,100K | -5.8Ο |
| Wistron 3231 | +27,615K | -29,834K | -2.0Ο |
| ACER 2353 | +27,395K | -26,566K | -4.1Ο |
| ETERNAL 1717 | +26,672K | -27,900K | -6.5Ο |
| WALSIN 1605 | +25,463K | -27,127K | -2.2Ο |
| AMTRAN 2489 | +25,149K | -26,108K | -8.7Ο |
| HON HAI 2317 | +24,043K | -24,872K | -1.0Ο |
| Acbel 6282 | +18,683K | -20,637K | -3.8Ο |
| ENNOSTAR 3714 | +18,346K | -18,886K | -6.4Ο |
| FENC 1402 | +18,254K | -10,826K | -2.3Ο |
π Foreign Accumulation Streaks
Consecutive buying days β systematic position building.
| Stock | Days | Cumulative Flow |
|---|---|---|
| UMC 2303 | 9d | +484M |
| YMTC 2609 | 10d | +201M |
| TC 2027 | 10d | +91M |
| Mercuries Life 2867 | 10d | +79M |
| WPG 3702 | 9d | +69M |
| WT 3036 | 10d | +55M |
| TWM 3045 | 7d | +35M |
| O-Bank 2897 | 9d | +34M |
| ROEC 6176 | 10d | +33M |
| Hannstar 6116 | 6d | +30M |
| CHANG WAH 8070 | 6d | +28M |
| PTI 6239 | 8d | +24M |
β οΈ Bubble Warning (H6: avg -0.87% 20d)
Retail flooding in while big holders exit. Distribution pattern.
| Stock | Holders | 4w Growth | Big Holder % | Ξ% |
|---|---|---|---|---|
| DELTA 2308 | 386,633 | +39.7% | 83.33% | -1.11% |
| ASEH 3711 | 273,940 | +34.0% | 87.92% | -0.9% |
| Makalot 1477 | 27,766 | +32.3% | 64.98% | -5.08% |
| CHCIW 1727 | 20,692 | +32.0% | 58.76% | -0.49% |
| TEWC 1623 | 6,332 | +19.5% | 78.71% | -0.82% |
| ETERNAL 1717 | 107,238 | +16.6% | 65.12% | -2.58% |
| 0050 0050 | 1,227,752 | +11.4% | 6683.4% | -585.99% |
| Bin Chuan 1569 | 24,462 | +10.3% | 52.48% | -0.66% |
| 0053 0053 | 2,642 | +9.5% | 20.77% | -0.38% |
| TSMC 2330 | 2,670,494 | +9.0% | 88.12% | -0.33% |
β‘ 3Ο Anomalies
Extremely unusual institutional activity β rare events.
| Stock | Foreign | Z-score | Signal |
|---|---|---|---|
| AMTRAN 2489 | +25,149K | 8.8Ο | π’ |
| KINPO 2312 | +46,560K | 8.6Ο | π’ |
| MII 2305 | +3,288K | 7.9Ο | π’ |
| PTTC. 6224 | -1,048K | -7.6Ο | π΄ |
| Les enphants 2911 | -466K | -7.5Ο | π΄ |
| ITE 3014 | +3,044K | 7.2Ο | π’ |
| FOCL 2491 | +426K | 7.1Ο | π’ |
| TMC 2338 | +5,566K | 6.8Ο | π’ |
| ETERNAL 1717 | +26,672K | 6.6Ο | π’ |
| Faraday 3035 | +7,840K | 6.4Ο | π’ |
| ENNOSTAR 3714 | +18,346K | 6.3Ο | π’ |
| MACHVISION 3563 | +1,844K | 6.2Ο | π’ |
π Sector Rotation
| Sector | Foreign | SITC | Retail |
|---|---|---|---|
| ε ι» | +364M | +1M | -382M |
| ι»θ ¦ει±ι | +157M | -4M | -158M |
| ε Άδ»ι»ε | +81M | -5M | -80M |
| ι»ειΆη΅δ»Ά | +52M | +10M | -72M |
| ε‘θ | +40M | +0M | -41M |
| ... | |||
| ιεδΌι | -3M | -0M | +4M |
| ι£ε | -5M | +4M | +2M |
| ιδΏ‘ηΆ²θ·― | -8M | +5M | +2M |
| ζ°΄ζ³₯ | -8M | +1M | +8M |
| ιθδΏιͺ | -111M | -15M | +134M |
Signals based on peer-reviewed research (Harvard, UC Davis, TEJ). Not investment advice. See /research for methodology.