| gptkbp:instanceOf | gptkb:financial_services_company 
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                                | gptkbp:contract_specifies | expiration date strike price
 
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                                | gptkbp:contrastsWith | gptkb:European_put_option 
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                                | gptkbp:early_exercise_possible | yes 
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                                | gptkbp:exercisable | any time before expiration 
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                                | gptkbp:expiration_date | specified in contract 
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                                | gptkbp:gives_right_to | sell underlying asset 
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                                | gptkbp:heldBy | buyer of the option 
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                                | gptkbp:pays | max(strike price - underlying price, 0) 
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                                | gptkbp:premium | paid by buyer to seller 
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                                | gptkbp:profit_for_holder | if underlying price falls below strike 
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                                | gptkbp:regulates | SEC (for US equities) 
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                                | gptkbp:risk_for_writer | potentially large if underlying falls 
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                                | gptkbp:style | gptkb:American 
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                                | gptkbp:tradedOn | options exchanges 
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                                | gptkbp:type | put option 
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                                | gptkbp:underlying_asset | gptkb:commodity gptkb:currency
 gptkb:nun
 gptkb:stock_market_index
 
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                                | gptkbp:usedFor | speculation hedging
 
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                                | gptkbp:valuation_model | gptkb:binomial_model Black-Scholes model (with adjustments)
 
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                                | gptkbp:writer | seller of the option 
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                                | gptkbp:bfsParent | gptkb:European_put_option 
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                                | gptkbp:bfsLayer | 7 
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                                | https://www.w3.org/2000/01/rdf-schema#label | American put option 
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