Whale Tracker

LEAN BEARISH

Whales showing caution on SNDK. Distribution signals outweigh accumulation. Short interest at 10.3% of float — moderate bearish positioning. Strong institutional ownership at 83.5% with 6 of 10 top holders actively accumulating this quarter.

Action Plan

Avoid new long positions until whale activity shifts
Consider trimming if position size is large
Set alerts for insider buying or SI decrease as reversal signals

📈 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)

1.22

LEAN BEARISH

CALL VOLUME

75,861

PUT VOLUME

92,303

TOTAL VOLUME

168,164

UNUSUAL STRIKES

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

PUT$11002026-05-086,541

CALL$14502026-05-085,314

CALL$12502026-05-084,668

PUT$12002026-05-084,578

CALL$15002026-05-084,500

CALL$13002026-05-084,491

CALL$16002026-05-082,921

PUT$10002026-05-082,545

PUT$9502026-05-082,464

CALL$14002026-05-082,347

P/C OI RATIO

0.0

TOTAL OI

CALL OI

PUT OI

Put/Call volume ratio: 1.22 (bearish)
Total options volume: 168,164 (calls 75,861 / puts 92,303)

🏦 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

83.5%

ACCUMULATION vs DISTRIBUTION

60% ACCUMULATING

40% DISTRIBUTING

NET SHARES FLOW

-3,114,008

FLOW SCORE

+0.10

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

▲▲ HEAVY BUYGeode Capital Management, LLC2.48%+44.9%+1,133,359

▲▲ HEAVY BUYState Street Corporation3.58%+20.7%+905,053

▲▲ HEAVY BUYArrowstreet Capital, Limited Partnership2.36%+31.3%+828,297

▲▲ HEAVY BUYShaw D.E. & Co., Inc.1.42%+63.1%+809,424

▲▲ HEAVY BUYNORGES BANK1.48%+24.9%+435,219

▲ ADDINGMorgan Stanley2.01%+7.2%+199,501

▬ HOLDBank of America Corporation1.11%-3.1%-52,104

▬ HOLDFMR, LLC14.54%-1.7%-369,016

▬ HOLDVanguard Group Inc11.50%-3.3%-584,790

▼▼ HEAVY SELLBlackrock Inc.6.52%-40.0%-6,418,951

ETF & Mutual Fund Flow (2 adding / 2 selling)

ActionFundQoQ ΔShares Δ

▼ TRIMMINGFidelity Mt. Vernon Street Trust-Fidelity Gro-19.0%-1,055,198

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Total Stock Mar-0.1%-2,621

★ NEW POSIVANGUARD INDEX FUNDS-Vanguard 500 Index FundNEW+1,755,738

▬ HOLDVANGUARD INDEX FUNDS-Vanguard Small-Cap Index-3.8%-123,768

▬ HOLDiShares Trust-iShares Core S&P 500 ETF+0.8%+15,617

▲ ADDINGFidelity Concord Street Trust-Fidelity 500 In+6.2%+109,495

▬ HOLDSPDR S&P 500 ETF TRUST-State Street SPDR S&P -1.2%-21,712

▬ HOLDVANGUARD WORLD FUND-Vanguard Information Tech+2.5%+32,184

▼▼ HEAVY SEFidelity Mt. Vernon Street Trust-Fidelity Gro-20.5%-299,941

▬ HOLDSELECT SECTOR SPDR TRT-State Street Technolog-3.3%-37,554

Institutional ownership: 83.5%
Smart money flow: 6 adding / 1 selling / 3 hold
Net shares removed by institutions: -3,114,008
Biggest mover: Blackrock Inc. sold 6,418,951 shares (-40.0%)

🕶 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

10.3%

DAYS TO COVER

0.5

SI CHANGE (MoM)

↑ 20.5%

SQUEEZE RISK

MODERATE

SHARES SHORT

9,750,678

PRIOR MONTH

8,092,994

FLOAT SHARES

139,531,651

AVG VOLUME

18,116,123

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

Short interest: 10.3% of float
Days to cover: 0.5
Short interest MoM: ↑ 20.5%
Squeeze risk: MODERATE