Healthcare Sector
Market Tracker
Represents the strikes that had the highest premium of whale flow (on the ASK side) over the past 5 trading days.
Represents the strikes that had the highest premium of whale flow (on the BID side) over the past 5 trading days.
Total Open Interest of Calls & Puts across all strikes and expirations over the past 16 trading days.
| Expires | Type | Strike | OI | Change | Percent |
|---|---|---|---|---|---|
| 02/10/2026 | PUT | $474.30 | 179 | +179 | |
| 12/26/2025 | CALL | $430.00 | 135 | +110 | +440.00% |
| 12/19/2025 | PUT | $445.00 | 138 | +108 | +360.00% |
| 12/26/2025 | PUT | $435.00 | 122 | +56 | +84.85% |
| 12/19/2025 | CALL | $460.00 | 271 | +52 | +23.74% |
| 06/17/2027 | PUT | $410.00 | 14 | +14 | |
| 01/16/2026 | CALL | $450.00 | 1,300 | -46 | -3.42% |
| 12/18/2026 | CALL | $700.00 | 111 | -48 | -30.19% |
| 12/18/2026 | CALL | $720.00 | 134 | -78 | -36.79% |
| 01/15/2027 | CALL | $720.00 | 124 | -78 | -38.61% |
| 12/18/2026 | CALL | $760.00 | 231 | -79 | -25.48% |
| 01/15/2027 | CALL | $760.00 | 230 | -79 | -25.57% |
Contracts with largest changes in open interest from the previous trading day to the current/most recent.
| Name | Pct Held | Shares | Total |
|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 3.04% | 7.8M | 2.7B |
| Vanguard 500 Index Fund | 2.31% | 5.93M | 2.05B |
| Growth Fund Of America Inc | 1.99% | 5.12M | 1.77B |
| Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF | 1.31% | 3.38M | 1.17B |
| Fidelity Contrafund Inc | 1.27% | 3.26M | 1.13B |
| Vanguard Specialized-Health Care Fund | 1.24% | 3.18M | 1.1B |
| Fidelity 500 Index Fund | 1.09% | 2.81M | 973.81M |
| SPDR S&P 500 ETF Trust | 1.08% | 2.78M | 963.23M |
| New Perspective Fund Inc | 1.03% | 2.64M | 914.72M |
| American Balanced Fund | 0.89% | 2.3M | 795.94M |
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