How much is $1 in PTC?

Could you please clarify for me the current value of one U.S. dollar in terms of PTC? I'm interested in understanding the exchange rate and how it may have fluctuated over time. Is there a specific platform or source that you recommend for checking the most up-to-date PTC to USD conversion rate? Additionally, are there any factors that typically influence the price of PTC, such as market sentiment, adoption rates, or regulatory changes? Thank you for your assistance in helping me navigate this inquiry.