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 |
|---|---|---|---|---|---|
| 12/26/2025 | CALL | $1,120.00 | 637 | +434 | +213.79% |
| 12/26/2025 | CALL | $1,115.00 | 592 | +428 | +260.98% |
| 01/02/2026 | PUT | $1,010.00 | 651 | +413 | +173.53% |
| 01/16/2026 | CALL | $1,060.00 | 2,015 | +400 | +24.77% |
| 01/16/2026 | PUT | $1,060.00 | 2,015 | +400 | +24.77% |
| 01/16/2026 | PUT | $995.00 | 381 | +370 | +3,363.64% |
| 09/18/2026 | PUT | $330.00 | 75 | -41 | -35.34% |
| 02/20/2026 | PUT | $910.00 | 165 | -42 | -20.29% |
| 01/23/2026 | CALL | $1,060.00 | 199 | -50 | -20.08% |
| 06/18/2026 | PUT | $340.00 | 41 | -70 | -63.06% |
| 01/16/2026 | CALL | $1,060.00 | 4,635 | -83 | -1.76% |
| 12/26/2025 | CALL | $1,100.00 | 2,318 | -1,143 | -33.03% |
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 | 2.74% | 26M | 11.45B |
| Vanguard 500 Index Fund | 1.92% | 18.23M | 8.03B |
| Vanguard/Primecap Fund | 1.56% | 14.85M | 6.54B |
| Fidelity 500 Index Fund | 0.91% | 8.65M | 3.81B |
| SPDR S&P 500 ETF Trust | 0.90% | 8.54M | 3.76B |
| Vanguard Specialized-Health Care Fund | 0.80% | 7.64M | 3.37B |
| iShares Core S&P 500 ETF | 0.74% | 7.04M | 3.1B |
| Washington Mutual Investors Fund | 0.73% | 6.95M | 3.06B |
| Growth Fund Of America Inc | 0.71% | 6.7M | 2.95B |
| Select Sector SPDR Fund-Health Care | 0.67% | 6.41M | 2.82B |
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