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https://iframe.quantsapp.com/option-gain or https://cobranding.quantsapp.com/option-gain
For embed option-gain in iframe, user need to pass url of product in src attribute
<iframe width="800px" height="560px" src="https://iframe.quantsapp.com/option-gain" sandbox="allow-scripts allow-same-origin allow-forms" frameborder="3"> </iframe>