If that investor were willing to pay extra for the security of limited downside, she could buy put options with a strike price of $98, which would lock in her profit on the shares at $18, less whatever the options cost.
( ( If ( ( that investor ) ( were ( willing ( to ( pay ( extra ( for ( ( the security ) ( of ( limited downside ) ) ) ) ) ) ) ) ) ) ) ( , ( she ( ( could ( ( buy ( put options ) ) ( with ( ( a ( strike price ) ) ( of ( ( ( $ 98 ) , ) ( which ( would ( ( ( lock ( in ( ( her profit ) ( on ( ( the shares ) ( at ( $ 18 ) ) ) ) ) ) ) , ) ( less ( whatever ( ( the options ) cost ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT that) (NN investor)) (VP (VBD were) (ADJP (JJ willing) (S (VP (TO to) (VP (VB pay) (NP (NP (JJ extra)) (PP (IN for) (NP (NP (DT the) (NN security)) (PP (IN of) (NP (JJ limited) (NN downside))))))))))))) (, ,) (NP (PRP she)) (VP (MD could) (VP (VB buy) (NP (NN put) (NNS options)) (PP (IN with) (NP (NP (DT a) (NN strike) (NN price)) (PP (IN of) (NP (NP ($ $) (CD 98)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (MD would) (VP (VB lock) (PP (IN in) (NP (NP (PRP$ her) (NN profit)) (PP (IN on) (NP (NP (DT the) (NNS shares)) (PP (IN at) (NP ($ $) (CD 18))))))) (, ,) (ADVP (ADVP (RBR less)) (SBAR (WHNP (WDT whatever)) (S (NP (DT the) (NNS options)) (VP (VBD cost))))))))))))))) (. .)))
THe strike price could be $8.
( ( THe ( strike price ) ) ( ( could ( be ( $ 8 ) ) ) . ) )
(ROOT (S (NP (NNP THe) (NN strike) (NN price)) (VP (MD could) (VP (VB be) (NP ($ $) (CD 8)))) (. .)))