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 | $530.00 | 689 | +204 | +42.06% |
| 02/20/2026 | PUT | $435.00 | 175 | +155 | +775.00% |
| 02/20/2026 | PUT | $515.00 | 237 | +155 | +189.02% |
| 03/20/2026 | CALL | $570.00 | 355 | +118 | +49.79% |
| 01/23/2026 | CALL | $565.00 | 128 | +105 | +456.52% |
| 02/20/2026 | PUT | $545.00 | 779 | +60 | +8.34% |
| 01/16/2026 | PUT | $620.00 | 7 | -199 | -96.60% |
| 02/20/2026 | PUT | $510.00 | 406 | -261 | -39.13% |
| 02/20/2026 | CALL | $650.00 | 367 | -330 | -47.35% |
| 01/16/2026 | PUT | $565.00 | 312 | -374 | -54.52% |
| 01/16/2026 | PUT | $580.00 | 379 | -457 | -54.67% |
| 01/16/2026 | PUT | $570.00 | 23 | -685 | -96.75% |
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 | 3.07% | 10.74M | 3.73B |
| Vanguard 500 Index Fund | 2.33% | 8.17M | 2.84B |
| Invesco ETF Tr-Invesco QQQ Tr, Series 1 ETF | 1.31% | 4.61M | 1.6B |
| Fidelity 500 Index Fund | 1.11% | 3.87M | 1.35B |
| SPDR S&P 500 ETF Trust | 1.08% | 3.79M | 1.32B |
| Advisors Inner Circle Fund-Edgewood Growth Fd | 1.01% | 3.55M | 1.23B |
| Price (T.Rowe) Blue Chip Growth Fund Inc. | 1.00% | 3.5M | 1.22B |
| iShares Core S&P 500 ETF | 0.90% | 3.15M | 1.1B |
| Vanguard Growth Index Fund | 0.85% | 2.98M | 1.04B |
| Select Sector SPDR Fund-Health Care | 0.82% | 2.87M | 997.71M |
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