https://www.etf.com/USO?__cf_chl_captcha_tk__=29133e2a366b4c8a7c7375abb417beaefe434631-1584843719-0-AQdd-Xz1cxw8oPSkJIuw2YCeL3fIjfofJ08oEN_b5fRjKorKdF_cBQU8vd5c8LEVm2WS18GWnWzZvgCxcrHnmtRAbV8YLCugNtOl6fHBb6ltde3LLQjv9XdalgXGFI_JwXTtbw658c-XCD0HAHm_22CeK_Nc1anT761p37plsTCTKnhZOLN74ISWfaiXe1SuLkU6KSv-x28Xrt7ZM2_315Z4aotYaYsVvKTN1NLsJuQ1cFAqIx5gWp8VYePlNASw3a3PrWYvH66cbqYzJp7MaWRQR55Egh6TFinX4S_Y0JfoP1Z63NcMzF3Ie4-vPX5hJry59EqXhavNwbT8HPKTXTZOLHbv4I6xQAbVXiCYBGWcnRhN5vBDv1-H4GZVgxlqH3LfklN3nrAVxGWVtI6oorI
#overview忘了縮。
https://reurl.cc/oL9Oa5這邊是說USO不是很好的長期追蹤標的。