玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.483.5-4.520.4412.82-12.061.31-3.44.71206.69-12.5212.5557.36-16.99-28.47210.64-8.6730.02
24Q2 (19)1.43-10.06-8.920.39-4.88-20.4163.4711.09.21236.276.927.7169.10-9.66-11.42230.6314.3439.67
24Q1 (18)1.595.33.250.41-10.87-22.6457.18-5.41-3.05221.0210.5728.4876.49-9.38-0.3201.7014.6530.73
23Q4 (17)1.51-2.581.340.46-8.0-14.8160.453.25-1.27199.898.8418.3484.415.263.97175.938.5918.11
23Q3 (16)1.55-1.279.930.502.04-7.4158.550.74-9.04183.65-0.738.9580.192.79-8.69162.01-1.8811.65
23Q2 (15)1.571.953.290.49-7.55-14.0458.12-1.46-3.04185.007.5415.1778.011.68-0.84165.127.0216.36
23Q1 (14)1.543.3627.270.53-1.858.1658.98-3.67-21.31172.031.85-6.8576.72-5.51-4.21154.293.59-14.07
22Q4 (13)1.495.6715.50.540.00.061.23-4.88-13.14168.910.20.3881.19-7.55-6.87148.952.65-1.74
22Q3 (12)1.41-7.249.30.54-5.26-15.6264.377.39-8.76168.574.9418.587.8211.63-3.77145.112.2619.38
22Q2 (11)1.5225.6219.690.5716.33-21.9259.94-20.03-16.46160.63-13.0328.1878.67-1.77-10.8141.90-20.9730.34
22Q1 (10)1.21-6.2-21.430.49-9.26-46.1574.956.3326.43184.699.7685.3880.09-8.1312.87179.5618.46104.16
21Q4 (9)1.290.0-12.240.54-15.62-43.1670.49-0.0913.77168.2718.2975.7487.18-4.4728.39151.5824.7168.76
21Q3 (8)1.291.57-15.130.64-12.33-36.070.55-1.6717.86142.2513.5155.8191.263.4748.63121.5511.6535.42
21Q2 (7)1.27-17.53-15.890.73-19.78-15.1271.7521.0419.17125.3225.7918.2288.2024.344.64108.8723.793.45
21Q1 (6)1.544.7611.590.91-4.2121.3359.28-4.33-10.299.634.05-17.970.964.517.1387.95-2.08-27.39
20Q4 (5)1.47-3.290.00.95-5.011.7661.963.510.1995.754.87-10.3267.9010.5914.0289.820.07-17.63
20Q3 (4)1.520.660.01.0016.280.059.86-0.580.091.30-13.880.061.400.690.089.76-14.710.0
20Q2 (3)1.519.420.00.8614.670.060.21-8.790.0106.01-12.640.060.98-7.940.0105.24-13.110.0
20Q1 (2)1.38-6.120.00.75-11.760.066.016.740.0121.3513.660.066.2411.230.0121.1211.070.0
19Q4 (1)1.470.00.00.850.00.061.840.00.0106.770.00.059.550.00.0109.050.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)6.455.222.02-9.0156.63-4.94180.559.9875.852.79161.337.6
2022 (9)6.137.172.22-17.7859.57-6.64164.1721.5773.791.33149.9418.98
2021 (8)5.72-1.382.70-18.9263.811.32135.0423.2972.825.31126.0221.92
2020 (7)5.806.423.335.7162.98-5.94109.53-5.569.15-6.22103.36-5.29
2019 (6)5.45-4.553.15-8.4366.964.71115.919.0973.74-7.49109.1320.6
2018 (5)5.719.393.44-9.4763.95-8.6106.2510.5679.716.5190.49-0.82
2017 (4)5.226.13.80-12.6469.97-5.7696.1014.4574.8423.5491.24-6.55
2016 (3)4.92-0.614.35-4.6174.250.6183.974.8360.5810.3197.63-1.36
2015 (2)4.957.614.563.8773.80-7.0580.10-3.6454.920.4898.98-8.24
2014 (1)4.602.684.39-2.2379.40-2.5483.132.2554.667.51107.87-3.64

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