Whale Tracker

STRONG BUY SIGNAL

Whales are aggressively accumulating MSTR. Multiple signals confirm institutional conviction. Short interest at 12.3% of float — moderate bearish positioning. Strong institutional ownership at 64.1% with 9 of 10 top holders actively accumulating this quarter.

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)

0.37

BULLISH

CALL VOLUME

383,686

PUT VOLUME

142,125

TOTAL VOLUME

525,811

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (1C / 2P)

TypeStrikeExpiryVolOIRatio

PUT$9002026-06-1813113.0x

CALL$12602026-06-18414.0x

PUT$9802026-06-18414.0x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$1702026-05-2947,221

CALL$1802026-05-2244,682

CALL$1782026-05-2942,197

CALL$1902026-05-2231,370

CALL$1822026-05-2230,107

CALL$1882026-05-2228,671

CALL$1802026-05-2914,780

CALL$1702026-05-2213,981

CALL$1722026-05-2213,206

CALL$1752026-05-2213,037

P/C OI RATIO

0.25

TOTAL OI

7,032

CALL OI

5,610

PUT OI

1,422

Put/Call volume ratio: 0.37 (bullish)
Total options volume: 525,811 (calls 383,686 / puts 142,125)
Top unusual: PUT $900.0 exp 2026-06-18 — vol/OI 13.0x
3 unusual strikes detected (1C / 2P)

🏦 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

64.1%

ACCUMULATION vs DISTRIBUTION

90% ACCUMULATING

10% DISTRIBUTING

NET SHARES FLOW

+32,455,067

FLOW SCORE

+0.70

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONVanguard Portfolio Management LLC4.46%NEW+7,370,853

★ NEW POSITIONVanguard Capital Management LLC4.26%NEW+7,038,756

▲▲ HEAVY BUYCapital International Investors9.50%+52.5%+10,826,916

▲▲ HEAVY BUYBlackrock Inc.5.37%+21.5%+3,146,443

▲▲ HEAVY BUYCapital World Investors1.29%+47.1%+1,370,891

▲ ADDINGState Street Corporation2.12%+14.6%+893,394

▲ ADDINGGeode Capital Management, LLC1.41%+19.0%+744,359

▲ ADDINGCapital Research Global Investors2.30%+8.7%+606,957

▲ ADDINGUBS Group AG1.91%+9.6%+551,243

▬ HOLDMorgan Stanley2.81%-1.0%-94,745

ETF & Mutual Fund Flow (4 adding / 1 selling)

ActionFundQoQ ΔShares Δ

▬ HOLDGROWTH FUND OF AMERICA-0.7%-162,120

▲▲ HEAVY BUAMERICAN FUNDS FUNDAMENTAL INVESTORS+71.9%+4,322,970

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

▬ HOLDInvesco QQQ Trust, Series 1+1.6%+105,875

▲▲ HEAVY BUAMERICAN FUNDS INSURANCE SERIES-Growth Fund+55.9%+1,357,690

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

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

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.7%+49,629

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

▲ ADDINGFidelity Concord Street Trust-Fidelity Extend+18.5%+260,017

Institutional ownership: 64.1%
Smart money flow: 9 adding / 0 selling / 1 hold
Net shares added by institutions: +32,455,067
Biggest mover: Capital International Investors added 10,826,916 shares (+52.5%)

🕶 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

12.3%

DAYS TO COVER

2.2

SI CHANGE (MoM)

↑ 13.6%

SQUEEZE RISK

MODERATE

SHARES SHORT

40,778,552

PRIOR MONTH

35,883,788

FLOAT SHARES

329,999,239

AVG VOLUME

18,618,863

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

Short interest: 12.3% of float
Days to cover: 2.2
Short interest MoM: ↑ 13.6%
Squeeze risk: MODERATE

📡 Data Sources 数据来源

Options Flow

BULLISH (80%)

Insider Trading

NO DATA

Smart Money Flow

BULLISH (75%)

Short Interest

BEARISH (60%)

📋 Summary 综合摘要

[dark_pool] Short interest: 12.3% of float
[dark_pool] Days to cover: 2.2
[institutional] Institutional ownership: 64.1%
[institutional] Smart money flow: 9 adding / 0 selling / 1 hold
[options_flow] Put/Call volume ratio: 0.37 (bullish)
[options_flow] Total options volume: 525,811 (calls 383,686 / puts 142,125)
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