*Last updated: 2023-03-16.*

# Module: tf_quant_finance.black_scholes.approximations

View source Approximations to the black scholes formula. ## Functions [`adesi_whaley(...)`](../../tf_quant_finance/black_scholes/approximations/adesi_whaley.md): Computes American option prices using the Baron-Adesi Whaley approximation. [`bjerksund_stensland(...)`](../../tf_quant_finance/black_scholes/approximations/bjerksund_stensland.md): Computes prices of a batch of American options using Bjerksund-Stensland.