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 |
|---|---|---|---|---|---|
| 01/16/2026 | PUT | $110.00 | 2,838 | +1,018 | +55.93% |
| 12/26/2025 | CALL | $102.00 | 983 | +780 | +384.24% |
| 02/20/2026 | CALL | $100.00 | 3,728 | +582 | +18.50% |
| 09/18/2026 | PUT | $90.00 | 1,293 | +304 | +30.74% |
| 12/19/2025 | CALL | $103.00 | 1,255 | +266 | +26.90% |
| 12/19/2025 | CALL | $102.00 | 3,040 | +205 | +7.23% |
| 09/18/2026 | CALL | $95.00 | 697 | -112 | -13.84% |
| 12/19/2025 | CALL | $99.00 | 683 | -122 | -15.16% |
| 01/15/2027 | PUT | $90.00 | 2,851 | -138 | -4.62% |
| 01/16/2026 | CALL | $100.00 | 25,257 | -481 | -1.87% |
| 01/16/2026 | CALL | $110.00 | 10,941 | -520 | -4.54% |
| 01/16/2026 | CALL | $105.00 | 12,359 | -1,043 | -7.78% |
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% | 77.07M | 8.28B |
| Vanguard 500 Index Fund | 2.31% | 58.61M | 6.3B |
| Fidelity 500 Index Fund | 1.09% | 27.79M | 2.99B |
| SPDR S&P 500 ETF Trust | 1.08% | 27.45M | 2.95B |
| iShares Core S&P 500 ETF | 0.89% | 22.63M | 2.43B |
| Vanguard Index-Value Index Fund | 0.86% | 21.91M | 2.35B |
| Select Sector SPDR Fund-Health Care | 0.81% | 20.59M | 2.21B |
| Vanguard Specialized-Health Care Fund | 0.72% | 18.31M | 1.97B |
| Vanguard Institutional Index Fund-Institutional Index Fund | 0.70% | 17.77M | 1.91B |
| Schwab Strategic Tr-Schwab U.S. Dividend Equity ETF | 0.68% | 17.38M | 1.87B |
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