How much is 1000sb in dollars?

Excuse me, could you please clarify for me the current exchange rate for 1000sb to dollars? I'm a bit unsure of the current market value and would appreciate if you could provide me with an accurate figure. Is there a specific platform or source that you recommend I check for the most up-to-date information on this? Additionally, is there any fluctuation in the exchange rate that I should be aware of, or is it relatively stable at this time? Thank you for your assistance.