Whale Tracker

LEAN BULLISH

Net positive whale activity for MSTR. Smart money shows interest, but signals are mixed. Short interest at 11.0% of float — moderate bearish positioning. Insiders are net buyers (89,701 shares bought vs 48,597 sold) — bullish conviction from management.

Action Plan

Consider building a position on pullbacks
Set stop-loss below key support level
Re-evaluate if insider selling accelerates

📈 Options Flow 期权异动

Unusual options volume vs open interest. High volume/OI ratio signals whale positioning. Put/Call ratio indicates directional bias.

PUT / CALL RATIO

0 (Bullish)1.02.0+ (Bearish)

0.36

BULLISH

CALL VOLUME

535,580

PUT VOLUME

193,387

TOTAL VOLUME

728,967

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (7C / 3P)

TypeStrikeExpiryVolOIRatio

CALL$2202026-05-018,65010865.0x

CALL$2302026-05-018,83636245.4x

PUT$1522026-05-011711171.0x

PUT$932026-04-243,50021166.7x

PUT$3002026-05-155414135.2x

CALL$2252026-05-012632131.5x

CALL$2202026-04-242,19217128.9x

CALL$1052026-04-246006100.0x

CALL$2052026-05-08589698.2x

CALL$2402026-05-08194297.0x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$1702026-04-2441,109

CALL$2002026-04-2433,809

CALL$1652026-04-2426,846

CALL$1802026-04-2426,783

CALL$1602026-04-2424,052

CALL$1582026-04-2423,688

CALL$1752026-04-2420,995

CALL$1722026-04-2420,994

CALL$2002026-05-1520,127

CALL$1682026-04-2416,559

P/C OI RATIO

0.75

TOTAL OI

708,849

CALL OI

404,801

PUT OI

304,048

Put/Call volume ratio: 0.36 (bullish)
Total options volume: 728,967 (calls 535,580 / puts 193,387)
Top unusual: CALL $220.0 exp 2026-05-01 — vol/OI 865.0x
129 unusual strikes detected (60C / 69P)

👤 Insider Trading 内部交易

SEC Form 4 filings — officer and director buys/sells in the last 90 days. Net buying is a strong bullish signal.

65% BUY

35% SELL

SHARES BOUGHT (6m)

89,701

SHARES SOLD (6m)

48,597

NET INSIDER FLOW

+41,104

FORM 4 FILINGS (90d)

Recent Insider Transactions (0 buys / 10 sells / 0 grants)

TypeInsiderSharesDate

SELLPATTEN JARROD MICHAEL3,4002026-04-13

SELLPATTEN JARROD MICHAEL1,9002026-04-09

SELLPATTEN JARROD MICHAEL2,1002026-04-08

SELLPATTEN JARROD MICHAEL1,4002026-04-01

SELLPATTEN JARROD MICHAEL7002026-03-30

SELLPATTEN JARROD MICHAEL7002026-03-26

SELLMONTGOMERY JEANINE J.4702026-03-24

SELLLE PHONG QUOC3,2992026-03-24

SELLKANG ANDREW2,3732026-03-24

SELLMONTGOMERY JEANINE J.2602026-03-12

Insider buying: 89,701 shares
Insider selling: 48,597 shares
18 Form 4 filings in last 90 days
Net insider BUYING — bullish signal

🏦 Smart Money Flow 机构资金流向

Quarter-over-quarter position changes from 13F filings. Shows whether institutional investors are accumulating (buying more) or distributing (selling) — the strongest signal of whale conviction.

INSTITUTIONAL OWNERSHIP

56.6%

ACCUMULATION vs DISTRIBUTION

70% ACCUMULATING

30% DISTRIBUTING

NET SHARES FLOW

+24,182,779

FLOW SCORE

+0.59

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONAmundi1.47%NEW+3,779,343

★ NEW POSITIONBank of America Corporation1.18%NEW+3,355,224

★ NEW POSITIONUBS Group AG1.77%NEW+3,237,803

▲▲ HEAVY BUYCapital International Investors6.32%+37.3%+5,600,397

▲▲ HEAVY BUYVanguard Group Inc7.38%+21.0%+4,177,846

▲▲ HEAVY BUYCapital Research Global Investors2.15%+66.7%+2,803,245

▲ ADDINGMorgan Stanley2.88%+11.5%+963,710

▬ HOLDGeode Capital Management, LLC1.20%+4.7%+175,230

▬ HOLDState Street Corporation1.88%+2.3%+138,344

▬ HOLDBlackrock Inc.4.48%-0.3%-48,363

ETF & Mutual Fund Flow (5 adding / 1 selling)

ActionFundQoQ ΔShares Δ

▲ ADDINGGROWTH FUND OF AMERICA+12.2%+1,968,098

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar+1.3%+106,347

▲▲ HEAVY BUAMERICAN FUNDS FUNDAMENTAL INVESTORS+41.2%+1,754,562

▬ HOLDInvesco QQQ Trust, Series 1-2.4%-141,132

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard Mid-Cap Index FNEW+1,456,461

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Extended Market+2.1%+59,899

▲▲ HEAVY BUAMERICAN FUNDS INSURANCE SERIES-Growth Fund+61.2%+922,199

▲ ADDINGVANGUARD WORLD FUND-Vanguard Information Tech+10.4%+172,851

▼▼ HEAVY SEVANGUARD INDEX FUNDS-Vanguard Growth Index Fu-41.9%-1,285,059

▬ HOLDFidelity Concord Street Trust-Fidelity Extend+0.6%+8,665

Institutional ownership: 56.6%
Smart money flow: 7 adding / 0 selling / 3 hold
Net shares added by institutions: +24,182,779
Biggest mover: Capital International Investors added 5,600,397 shares (+37.3%)

🕶 Short Interest & Dark Pool 做空 & 暗池

Short interest as % of float and days-to-cover. Rising SI = bearish pressure. High SI + decreasing = shorts covering (bullish). Squeeze risk rated by SI level.

SHORT INTEREST (% OF FLOAT)

0%10%20%30%+

SHORT % FLOAT

11.0%

DAYS TO COVER

1.8

SI CHANGE (MoM)

↓ 0.7%

SQUEEZE RISK

MODERATE

SHARES SHORT

35,883,788

PRIOR MONTH

36,154,210

FLOAT SHARES

314,131,386

AVG VOLUME

21,598,509

Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.

Short interest: 11.0% of float
Days to cover: 1.8
Short interest MoM: ↓ 0.7%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

BULLISH (80%)

Insider Trading

LEAN BULLISH (90%)

Smart Money Flow

BULLISH (75%)

Short Interest

LEAN BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 11.0% of float
[dark_pool] Days to cover: 1.8
[institutional] Institutional ownership: 56.6%
[institutional] Smart money flow: 7 adding / 0 selling / 3 hold
[options_flow] Put/Call volume ratio: 0.36 (bullish)
[options_flow] Total options volume: 728,967 (calls 535,580 / puts 193,387)
[insider] Insider buying: 89,701 shares
[insider] Insider selling: 48,597 shares