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 |
|---|---|---|---|---|---|
| 12/19/2025 | CALL | $310.00 | 47 | +20 | +74.07% |
| 03/20/2026 | CALL | $320.00 | 12 | +3 | +33.33% |
| 01/16/2026 | CALL | $320.00 | 46 | +2 | +4.55% |
| 01/16/2026 | PUT | $310.00 | 27 | +2 | +8.00% |
| 03/20/2026 | PUT | $270.00 | 6 | +2 | +50.00% |
| 03/20/2026 | PUT | $290.00 | 11 | +2 | +22.22% |
| 01/16/2026 | CALL | $240.00 | 12 | -1 | -7.69% |
| 01/16/2026 | CALL | $300.00 | 111 | -1 | -0.89% |
| 12/19/2025 | PUT | $310.00 | 255 | -2 | -0.78% |
| 12/19/2025 | PUT | $330.00 | 2 | -7 | -77.78% |
| 01/16/2026 | PUT | $360.00 | 11 | -11 | -50.00% |
| 01/16/2026 | PUT | $350.00 | 0 | -18 | -100.00% |
Contracts with largest changes in open interest from the previous trading day to the current/most recent.
| Name | Pct Held | Shares | Total |
|---|---|---|---|
| Amcap Fund | 3.29% | 2.29M | 653.75M |
| Smallcap World Fund | 3.25% | 2.27M | 646.95M |
| Vanguard Total Stock Market Index Fund | 3.03% | 2.11M | 602.47M |
| New Perspective Fund Inc | 2.60% | 1.81M | 516.54M |
| Vanguard Specialized-Health Care Fund | 2.47% | 1.72M | 491.17M |
| Fidelity Growth Company Fund | 2.46% | 1.72M | 490.1M |
| Vanguard Mid-Cap Index Fund | 2.32% | 1.62M | 461.72M |
| Growth Fund Of America Inc | 2.19% | 1.53M | 435.79M |
| Fidelity Select Portfolios - Medical Technology & Devices Port | 1.64% | 1.14M | 325.46M |
| Fidelity Select Portfolios - Health Care | 1.36% | 950k | 271.22M |
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