TEF Greek Exposure

TEF is TELEFONICA S A, a Communication Services company with a $21.6B market cap. Gamma (GEX) highlights support/resistance from dealer hedging, Delta (DEX) shows bullish vs bearish bets, Vanna tracks volatility-driven flows, and Charm shows time-decay hedging. Analyze exposure by strike and expiration to find key price levels.

Name
TELEFONICA S A
Type
ADR
Sector
Communication Services
Market cap
$21.6B

Frequently asked questions

What is TEF gamma exposure (GEX)?
Gamma exposure (GEX) measures how much market makers must hedge when TEF stock moves. Positive GEX means dealers are long gamma and will hedge in a stabilizing way (buy dips, sell rallies), while negative GEX means their hedging amplifies moves.
What is TEF delta exposure (DEX)?
Delta exposure (DEX) shows the net directional options exposure on TEF. It represents how many shares market makers need to buy or sell to stay delta-neutral. Large DEX shifts can indicate significant directional positioning.
How do TEF Vanna and Charm affect the stock?
Vanna measures how TEF option deltas change with implied volatility — when IV drops, positive vanna exposure forces dealers to buy shares, creating upward pressure. Charm measures delta decay over time, causing similar hedging flows as options approach expiration.