UMC $18.85 pinning levels as of 2026-08-27 · 16:39 ET (after hours)

$UMC

UNITED MICROELECTRON-SP ADR

▼ -0.18   (-0.97%)
Snapshot $18.85 · · 2026-08-27 · 16:39 ET (after hours)

The Levels

Put Wall $18 active wall
Gamma Flip $15.4 +22.2% above flip
Call Wall $20 held 10 sessions
spot $18.85

Regime pinning · moves get faded back to the walls.

Each wall is the strike carrying the heaviest open interest within 15% of price, call above as resistance, put below as support, pooled across all listed expirations. It is a structural positioning level, not a single expiry pin. Max pain is tracked separately.

The Read

$UMC is in long gamma at heat 46, which means dealers are pinning moves and damping volatility. The $25 call wall is untested yesterday, while the $22 put was pinned last session; this suggests that sellers have been active near $22 but resistance remains above at $25.

Where the market is positioned


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Ask Nĩr about $UMC.

Free. No login. Real dealer positioning on $UMC, scored over a year of outcomes.

IV percentile · 1y 54 · mid-range Put / call · OI · all expiries 0.40 · calls-heavy

Plays at the Walls

Covered Call

$21 · Sep 18 · 27Δ

$0.43 premium  ·  39%/yr annualized

Cash-Secured Put

$18 · Sep 18 · 32Δ

$0.60 premium  ·  58%/yr annualized

Not investment advice · Informational only


How our calls on $UMC have played out

Over the last 21 sessions · n=24

24 Walls Called
5 Held 83% 2 pinned · 3 rejected
1 Broke 17%
18 Untested

$19 put wall

held on its first test

$19 put wall

broke 2.7% on 2026-08-18


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Scored Levels


Implied vs Measured


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