Yeah, I very much agree about the historic track record: in the past, almost without exception, such optimistic expectations ended in investor tears. This is I believe one of the main reasons why the TSLA stock price didn't break out of its historic $150-$350 price range in the past 4.5 years (!).
But ... (and I suspect you expected a 'but'
), most of the clues I cited were actual observations of Q4 shipments.
There's also additional 'clues' from the production side:
- Leak about at least one major Model 3 supplier's doubling of orders, timed to have begun in October:
Tesla supplier hints at massive increase in Model 3 production - Electrek
“will increase monthly shipments for components of relays used in Tesla Model 3 vehicles
from about 20,000 units currently to 40,000 units beginning August 2019”.
“CFTC has also landed orders for other components used in Model 3, with shipments to begin in October 2019, the sources said. As Tesla is hiking Model 3 output and its Gigafactory 3 in Shanghai, eastern China, will kick off production of the electric vehicle by year-end 2019, CFTC’s shipments to Tesla are expected to rise, the sources noted.”
- Carsonight reported a GF1 year-end battery pack production rate target of 10k/week. Furthermore, @ReflexFunds pointed out that Tesla's internal aspirational target was 15k/week packs:
Carsonight: "I met a group of Tesla employees recently. They told me that Tesla has a private aspirational goal of 15k packs/week, but the employee's general consensus on that one was "uh huh, riiight". They think 10k/week is doable, though."
He also reported a matching increase in cell production on the Panasonic side.
- Global Equities Research analyst Trip Chowdhry, FWIW, reported "brisk" international shipments from Fremont a week ago:
"First half of quarter production and shipment focus continues to remain International Shipments. It is fairly common to see Shipping Trucks, each with 8 TSLA Vehicles heading towards the Docks on HWY 101, all through the day. Factory activity very strong."
Both the supplier volume doubling leak and the GF1 leak of 10k/week production is consistent with a potentially "crazy" increase of Model 3 production in Q4.
Maybe they'll use the extra capacity to increase inventory to help Q1 - but in Q4 they had the SolarCity debt payment and I think they'll want to show growing cash equivalents - having too much inventory growth would work against that.