Market speculators can artificially inflate demand from customers for oil, specially during a bull run, causing prices to overshoot on the way up and overcorrect on how down. The first and many straightforward system is usually to sell your I Bonds straight through your account over the TreasuryDirect website. https://financefeeds.com/litecoin-flips-resistance-at-120-to-support-as-new-altcoin-hits-all-time-highs-is-the-bear-market-over/