Masimo Corporation (MASI)
NASDAQ: MASI
· Real-Time Price · USD
154.05
2.18 (1.44%)
At close: Aug 15, 2025, 2:00 PM
MASI Open Interest Chart
Open interest breakdown by expiration date for MASI
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
1,063
contracts, with 692
call contracts and
371 put contracts. The
overall put-call open interest ratio is
0.54, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Mar 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 499 | 222 | 0.44 |
| Oct 17, 2025 | 108 | 51 | 0.47 |
| Dec 19, 2025 | 51 | 79 | 1.55 |
| Mar 20, 2026 | 34 | 19 | 0.56 |