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)0.69-20.69-23.330.35-10.26-10.26131.1524.8329.26259.309.9510.5839.1216.7813.33351.3314.2916.55
24Q2 (19)0.87-5.436.10.3914.715.41105.066.39-5.14235.84-11.08-4.2133.50-7.7625.75307.40-6.18-6.93
24Q1 (18)0.9295.7437.310.3470.0-10.5398.75-49.31-27.71265.22-41.8210.336.32-45.8260.85327.65-43.86-7.57
23Q4 (17)0.47-47.7880.770.20-48.72-13.04194.8392.03-44.66455.8794.4113.1467.0494.2149.68583.6693.63-17.81
23Q3 (16)0.909.7632.350.395.41-47.3101.46-8.39-24.68234.49-4.7689.934.5229.5866.84301.43-8.7426.92
23Q2 (15)0.8222.39-1.20.37-2.63-44.78110.75-18.931.24246.202.3980.2626.6417.988.42330.30-6.8249.19
23Q1 (14)0.67157.69-24.720.3865.22-25.49136.61-61.233.32240.45-40.3233.9622.58-49.59-9.9354.48-50.0837.98
22Q4 (13)0.26-61.76-68.290.23-68.92-52.08352.05161.34217.28402.91226.3113.9244.79116.4865.77710.16199.01160.81
22Q3 (12)0.68-18.07-17.070.7410.4557.45134.7123.1521.95123.48-9.59-36.4420.69-15.79-32.23237.507.27-13.38
22Q2 (11)0.83-6.74-24.550.6731.3739.58109.396.7531.72136.58-23.91-28.5924.57-1.96-1.05221.40-13.82-11.26
22Q1 (10)0.898.54-29.370.516.2521.43102.47-7.6541.61179.49-4.7-17.3725.06-7.2527.47256.90-5.65-4.83
21Q4 (9)0.820.017.140.482.1354.84110.960.45-14.71188.35-3.04-35.2327.02-11.5-1.03272.29-0.69-30.82
21Q3 (8)0.82-25.4513.890.47-2.0820.51110.4633.0-13.2194.261.56-17.0330.5322.96-14.34274.199.9-15.83
21Q2 (7)1.10-12.715.790.4814.29-7.6983.0514.77-13.75191.27-11.959.8824.8326.3-23.83249.50-7.574.94
21Q1 (6)1.2680.0-1.560.4235.48-16.072.36-44.381.69217.22-25.3119.4419.66-27.99-35.67269.93-31.4221.34
20Q4 (5)0.70-2.780.00.31-20.51-6.06130.092.22-0.06290.8224.224.4127.30-23.4-43.84393.6020.839.3
20Q3 (4)0.72-24.210.00.39-25.00.0127.2632.160.0234.1234.50.035.649.330.0325.7437.00.0
20Q2 (3)0.95-25.780.00.524.00.096.2935.310.0174.07-4.280.032.606.680.0237.766.880.0
20Q1 (2)1.2882.860.00.5051.520.071.16-45.330.0181.86-34.710.030.56-37.130.0222.46-38.220.0
19Q4 (1)0.700.00.00.330.00.0130.170.00.0278.540.00.048.610.00.0360.100.00.0
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)2.46-29.511.24-39.22148.3441.84293.8064.634.4968.99407.6655.21
2022 (9)3.49-17.12.0415.25104.5820.54178.49-13.4920.41-3.54262.65-3.41
2021 (8)4.21-15.461.7713.4686.7618.33206.32-11.9321.16-21.28271.92-3.12
2020 (7)4.9811.911.56-14.7573.32-10.61234.2617.5926.88-31.11280.6915.89
2019 (6)4.456.461.83-8.9682.02-6.07199.229.8139.029.98242.213.84
2018 (5)4.183.982.014.1587.32-3.76181.42-3.8635.4815.87233.26-6.25
2017 (4)4.02-12.81.93-8.5390.7314.51188.709.1630.6210.03248.8110.94
2016 (3)4.611.12.110.9679.23-0.99172.87-0.927.83-19.94224.272.08
2015 (2)4.56-13.962.09-17.7280.0216.17174.4421.534.76-6.61219.7025.39
2014 (1)5.30-16.542.547.6368.8819.87143.57-7.1837.22-7.32175.221.9

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