OPTIONS PRESSURE, MADE READABLE

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OSV turns options-chain activity into a cleaner view of call strength, put strength, strike pressure, key levels, and directional shifts—so you can read the market faster.

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✓ Strike-level pressure✓ Call vs put strength✓ Built for active traders
SECTION OverviewShared symbol: SPY | AEB +8.07% | BW +59.53%
6:32:23 PM
EXPIRATION PRESSURE METER
OPTION CHAIN GRID SPY — 2026-10-29 · Price: 769.60
4,041.263,566.87
Edge: 474.39  •  Call Bias: 6.24%  •  Range: 770 C ↔ 767 P
Call VolCall PressureCall StrengthStrikePut StrengthPut Pressure
199,636+1,845.761,958773.00112—
367,253+3,427.413,614772.00187—
344,629+3,022.633,401771.00379—
587,224+4,041.265,853770.001,812—
—SPOT10,211769.605,408—
437,511+762.344,358769.003,596—
324,057-1,442.943,215768.004,658-1,442.94
143,705-3,568.871,420767.004,988-3,568.87
56,095-2,324.08538766.002,862-2,324.08
SECTION Totals Log SPY 2026-10-29
ALL ⌄  Auto Follow OFF  Clear  Show Call OI  Show Put OI  Show Call Vol
STRIKE ACTIVITY DISTRIBUTION Auto-Follow ON  · 203 Rows

Strike 769 · Last 10 readings

Tank: Calls much stronger  StrDiff: Calls much stronger  MAX: Call pressure rising
TimePrice[Tank][StrDiff]MAXC/P Edge
9:53:15 AM769.04+41+2,1492,753 C770+704
9:55:15 AM769.23 ↑+42 ↑+2,136 ↓2,781 C770+723 ↑
9:57:15 AM769.27 ↑+41 ↓+2,179 ↑2,817 C770+750 ↑
9:59:15 AM769.39 ↑+42 ↑+2,194 ↑2,843 C770+771 ↑
10:01:15 AM769.48 ↑+42 →+2,224 ↑2,865 C770+785 ↑
12:53:15 PM769.09 ↓+165 ↑+5,597 ↑3,996 C770+505 ↓
12:55:15 PM769.20 ↑+165 →+5,628 ↑4,015 C770+501 ↓
12:57:15 PM769.50 ↑+163 ↓+5,737 ↑4,030 C770+487 ↓
12:59:15 PM769.60 ↑+163 →+5,766 ↑4,041 C770+474 ↓
77011[+147][+3,816]
76972[+163][+5,766]
76858[-49][+1,306]
76754[-231][-3,864]
7668[-308][-8,045]
Illustrative UI recreation · Sample values, not live market data
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REAL-TIME INSIGHTS

See options-chain activity, pressure, and key levels in a clean visual format.

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MULTI-EXPIRATION ANALYSIS

Compare 0DTE and upcoming expirations with AEB, meters, and strike distribution.

◎

TRADER-FOCUSED TOOLS

S.A.D., Tank, RAD, Totals Log, Replay, and more—built for faster decisions.

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ACTIVE COMMUNITY

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A clearer view of the market

Stop watching the noise.
Start reading the pressure.

A beautiful, real-time view into the forces moving price. Everything you need to sharpen your edge, nothing you don’t.

SECTION OverviewShared symbol: SPY | AEB +8.07% | BW +59.53%
6:32:23 PM
EXPIRATION PRESSURE METER
OPTION CHAIN GRID SPY — 2026-10-29 · Price: 769.60
4,041.263,566.87
Edge: 474.39  •  Call Bias: 6.24%  •  Range: 770 C ↔ 767 P
Call VolCall PressureCall StrengthStrikePut StrengthPut Pressure
199,636+1,845.761,958773.00112—
367,253+3,427.413,614772.00187—
344,629+3,022.633,401771.00379—
587,224+4,041.265,853770.001,812—
—SPOT10,211769.605,408—
437,511+762.344,358769.003,596—
324,057-1,442.943,215768.004,658-1,442.94
143,705-3,568.871,420767.004,988-3,568.87
56,095-2,324.08538766.002,862-2,324.08
SECTION Totals Log SPY 2026-10-29
ALL ⌄  Auto Follow OFF  Clear  Show Call OI  Show Put OI  Show Call Vol
STRIKE ACTIVITY DISTRIBUTION Auto-Follow ON  · 203 Rows

Strike 769 · Last 10 readings

Tank: Calls much stronger  StrDiff: Calls much stronger  MAX: Call pressure rising
TimePrice[Tank][StrDiff]MAXC/P Edge
9:53:15 AM769.04+41+2,1492,753 C770+704
9:55:15 AM769.23 ↑+42 ↑+2,136 ↓2,781 C770+723 ↑
9:57:15 AM769.27 ↑+41 ↓+2,179 ↑2,817 C770+750 ↑
9:59:15 AM769.39 ↑+42 ↑+2,194 ↑2,843 C770+771 ↑
10:01:15 AM769.48 ↑+42 →+2,224 ↑2,865 C770+785 ↑
12:53:15 PM769.09 ↓+165 ↑+5,597 ↑3,996 C770+505 ↓
12:55:15 PM769.20 ↑+165 →+5,628 ↑4,015 C770+501 ↓
12:57:15 PM769.50 ↑+163 ↓+5,737 ↑4,030 C770+487 ↓
12:59:15 PM769.60 ↑+163 →+5,766 ↑4,041 C770+474 ↓
77011[+147][+3,816]
76972[+163][+5,766]
76858[-49][+1,306]
76754[-231][-3,864]
7668[-308][-8,045]
Illustrative UI recreation · Sample values, not live market data
Built for the curious

Clarity is a competitive advantage.

Markets are always speaking. OSV helps you listen to the signals that most people miss.

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01 — FLOW

See the pressure beneath price

Track where options positioning is concentrating before it becomes obvious on the chart.

02 — SIGNALS

Find the levels that matter

Map gamma, delta, and vanna exposure into a single, intuitive view of market structure.

03 — CLARITY

Trade with a clearer lens

Cut through the noise with focused analytics designed for decisive, high-conviction reads.

04 — EDGE

Turn data into an edge

Build your thesis around the forces shaping tomorrow’s move—not yesterday’s headlines.

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