Gold had a session this week that forced every refining desk to reprice by the hour. Spot printed $4,356.56 an ounce at 9:00 a.m. ET Friday, up from $4,252.59 the prior day, a move north of $100 in a single session. By the afternoon JM Bullion had it at $4,357.90. Trading Economics marked the metal at $4,350.37, up 2.61% on the day, 6.75% over the past month and 27.99% against the same time last year. Any lot quoted Thursday was worth materially more by Friday close.

The move

A $100 candle in one session is a big move for gold, and it came without a single obvious headline driving it. That is usually the signature of flow rather than news, of buyers stepping in with size and thin summer liquidity amplifying the response. Anyone who has worked a scrap counter in August knows the pattern. The desks that make markets go quiet, the fix gaps between prints, and a lot that would have cleared in seconds during spring sits for an extra beat while everyone waits to see where the next tick lands. In that kind of tape a $100 range is not a two-way argument between bulls and bears, it is a handful of real buyers walking a shallow book higher.

For anyone quoting scrap or refining lots, the practical effect is that the number you gave a customer in the morning was stale by lunch. Weeks like this are when the spread between your quote and the fix does the damage, and disciplined desks reprice on the hour rather than the day. The dealer who locks a buy price at breakfast and forgets to refresh it is not protecting the customer, he is handing the customer his margin. The right habit in a fast tape is to quote off the live screen, keep the spread honest, and hedge the position the moment the lot is bought rather than carrying naked ounces into a market that just proved it can run $100 without asking permission.

The one-month figure puts the session in context. Up 6.75% over 30 days means this was not a spike out of nowhere but an acceleration of a move already underway. The near-28% gain against last year is the number that matters for inventory carried on the books, because it says the metal behind the refining trade has repriced by more than a quarter in twelve months. That is the figure to sit with. A dealer who bought a working inventory of casting grain or dental scrap a year ago and simply held it is up almost 28% on the metal alone, before any refining margin. The flip side is the replacement problem: every ounce that leaves the vault this week costs 28% more to put back than it did last summer, which is why the smart floors are treating turnover, not hoarding, as the edge. The full week across metals and stones is in this week's trade wrap.

Beijing is still the bid

The structural support under the price remains the official sector. The PBOC added 20 tons, about 640,000 ounces, to its reserves in July. That is the 21st consecutive month of Chinese central-bank buying and the biggest single monthly increase since October 2023, following roughly 15 tons in June. When Beijing steps up the pace after 20 straight months of accumulation, it signals conviction rather than routine. Note the sequence: 15 tons in June, 20 in July. A bank that was buying to a fixed budget would hold the pace steady. A bank adding to the pace after nearly two years of accumulation is telling you the target moved, and that it is comfortable buying into a rising price rather than waiting for a dip that the streak itself keeps preventing.

China is not acting alone. Global central banks added 289 tonnes in the second quarter, a jump of 62 tonnes year over year and 231 tonnes over the prior quarter, a quarter-on-quarter increase of 407%. That lifts the official sector's year-to-date buying to 345 tonnes. Demand of that scale and consistency is what puts a structural floor under spot, because central banks do not trade the tape. They accumulate on a policy horizon measured in years, and that removes supply from the market permanently rather than temporarily. Every tonne booked into a sovereign reserve is a tonne that does not come back to the refining trade as scrap, does not get leased out, and does not care what the screen prints on a Friday morning.

What it means for the trade

For dealers and refiners the takeaway is straightforward. A market with the official sector buying 289 tonnes a quarter and the PBOC extending a 21-month streak is not a market to short from the scrap counter. The risk is not that gold falls out from under a lot bought today. The risk is quoting too low in a session that moves $100 and leaving margin on the table. When the structural bid is this deep, pricing discipline beats directional guessing. The dealers who get hurt in a tape like this are not the ones who bought and held, they are the ones who guessed the top, sold the vault light, and now have to chase 28%-more-expensive metal to fill their next order.

The metal running this hot also lands on the watch trade, where cased gold is a real input cost, a point covered in this week's watch report. A yellow-gold case that penciled out at one metal cost when it was ordered now carries a materially higher input, and that pressure moves straight through to what a modern gold sport model has to fetch to make sense on a dealer's sheet. For now the number to carry into next week is the streak. Does the PBOC log a 22nd month, and does the official sector keep the Q2 pace of 289 tonnes? Those two answers will decide whether $4,356 was a ceiling or a step.