OSI Systems (OSIS) options flow
Price delayed 15 minutes
Options flow session · Last trade
The optional price chart loads separately. Recorded options trades are available below.
OSIS session snapshot
Bullflow recorded 2 OSIS options trades on Friday, October 30, 2026, totaling $1,262,610 in premium. Calls made up $0.00 (0.0%) across 0 trades and puts $1.26M (100.0%) across 2 trades.
2 trades were sweeps and 0 were blocks. 1 filled at or above the ask, 1 at or below the bid and 0 at the mid. The largest was a $1,003,910 sweep of 755 Nov 20, 2026 $210 Put trade at 12:41:25 ET, filled at the below bid.
OSIS closed at $199.44, down 4.19% from the prior close.
- Company
- OSI Systems Inc
- Exchange
- NASDAQ
- Sector
- Unavailable
- Close
- $199.44
OSIS options flow statistics
- Total premium
- $1.26M
- Recorded trades
- 2
- Call premium
- $0.00
- Put premium
- $1.26M
- Put/call premium ratio
- Unavailable (no call premium)
- Avg premium per trade
- $631.31K
- Calls / puts (trades)
- 0 / 2
- Sweeps / blocks
- 2 / 0
- At or above ask
- 1
- At or below bid
- 1
- Largest trade
- $1.00M
- Last trade
Where the premium went
in calls
$1.26M · 2 trades
Premium
Trade type
Fill side
OSIS largest options trades
| Time | Contract | C/P | Premium | Size | Fill | Type |
|---|---|---|---|---|---|---|
| OSIS Nov 20, 2026 $210 | Put | $1,003,910 | 755 | Below Bid | Sweep | |
| OSIS Nov 20, 2026 $210 | Put | $258,700 | 199 | Ask | Sweep |
2 of the 2 largest trades, $1.26M combined
The 2 largest trades total $1.26M of $1.26M
OSIS gamma exposure
Gamma exposure is separate from this closing options flow summary. Additional data appears in the interactive view when available.
OSIS options flow questions
What was the largest OSIS options trade on October 30, 2026?
A $1,003,910 sweep of 755 OSIS Nov 20, 2026 $210 Put trade at 12:41:25 ET, filled at the below bid. It was the largest of 2 trades Bullflow recorded for OSIS that session.
How much OSIS options premium traded on October 30, 2026?
$1,262,610 across 2 recorded sweeps and blocks: $0 in calls (0 trades) and $1,262,610 in puts (2 trades).
Was OSIS options flow bullish or bearish on October 30, 2026?
Calls were 0.0% of premium. 1 of 2 trades filled at or below the bid and 1 at or above the ask. Premium and fill side do not show whether a trade opened or closed a position or was a hedge, so they do not establish direction on their own.
How often is OSIS options flow data updated?
The page shows a completed session (October 30, 2026, last trade 13:48:46 ET) and updates after the next trading day becomes historical. Intraday OSIS flow is in the Bullflow dashboard and API.
How to read this data
This summary covers recorded single-leg sweeps and blocks with positive premium, excluding cancelled trades. It describes the covered flow, not all options-market volume. Total premium is gross traded premium; it is not net buying pressure. The interactive dashboard can use different filters and may show different totals.
Calls, puts, and execution near the bid or ask provide context but do not establish whether a position was opened or closed, whether it was part of a hedge, or where the stock will move next. The session updates after the next trading day becomes historical.
Stock prices show regular-session candles delayed at least 15 minutes. The latest view refreshes during market hours; the flow-session view places recorded trades on their original date, using interpolated stock prices between candle samples. Gamma exposure shows its separately dated public closing snapshot.