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)0.955.563.261.4616.8-9.3295.76-4.86-3.6762.53-13.9910.83104.00-7.35-2.7554.29-11.1511.05
24Q2 (19)0.907.14-4.261.2514.68-16.11100.65-7.573.9672.70-13.1319.2112.25-19.4218.6361.1014.68-3.31
24Q1 (18)0.84-2.333.71.09-14.84-3.54108.892.35-3.3783.6918.073.89139.304.0726.3153.2822.71-35.78
23Q4 (17)0.86-6.527.51.28-20.518.52106.397.02-5.9970.8825.63-16.23133.8525.1615.9743.42-11.19-47.28
23Q3 (16)0.92-2.134.551.618.0550.4799.412.68-3.6856.42-7.49-33.72106.9413.02-2.7448.89-22.63-37.62
23Q2 (15)0.9416.056.821.4931.8656.8496.82-14.08-6.3460.99-24.29-36.3294.62-14.2-23.2963.19-23.83-16.65
23Q1 (14)0.811.25-7.951.134.6320.21112.69-0.429.4680.56-4.79-16.4110.28-4.45-16.2882.960.7322.74
22Q4 (13)0.80-9.09-10.111.080.936.93113.179.6510.6684.61-0.6-6.52115.424.97-11.1782.365.0831.06
22Q3 (12)0.880.0-1.121.0712.630.0103.21-0.150.885.12-11.13-0.34109.95-10.86-14.6578.383.3932.89
22Q2 (11)0.880.00.00.951.06-15.93103.370.410.0195.78-0.619.13123.34-6.36-7.4975.8112.1650.3
22Q1 (10)0.88-1.12-9.280.94-6.93-24.8102.950.6610.0896.366.4632.82131.721.383.9767.597.5671.59
21Q4 (9)0.890.0-6.321.01-5.61-20.47102.27-0.126.3890.515.9726.11129.930.860.8162.846.5461.05
21Q3 (8)0.891.14-11.01.07-5.31-25.69102.39-0.9412.9385.416.2334.74128.82-3.3812.1458.9816.9350.46
21Q2 (7)0.88-9.28-24.141.13-9.6-22.6103.3610.5231.5280.4010.8229.39133.335.2431.3350.4428.0528.64
21Q1 (6)0.972.118.991.25-1.5717.9293.52-2.73-8.3772.551.09-15.11126.69-1.7-9.8739.390.95-16.1
20Q4 (5)0.95-5.0-2.061.27-11.814.196.146.032.3671.7713.22-3.72128.8812.21.0339.02-0.46-4.6
20Q3 (4)1.00-13.790.01.44-1.370.090.6715.370.063.392.010.0114.8713.150.039.20-0.030.0
20Q2 (3)1.1630.340.01.4637.740.078.59-23.00.062.14-27.290.0101.52-27.780.039.21-16.490.0
20Q1 (2)0.89-8.250.01.06-13.110.0102.068.670.085.4614.650.0140.5710.190.046.9514.790.0
19Q4 (1)0.970.00.01.220.00.093.920.00.074.540.00.0127.570.00.040.900.00.0
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)3.50-1.694.597.24104.411.879.58-6.73122.725.3961.27-14.24
2022 (9)3.56-3.264.281.42102.563.4785.32-1.36116.44-10.6871.4429.3
2021 (8)3.68-3.664.22-7.0599.123.6986.507.53130.36-4.1855.2538.16
2020 (7)3.82-8.394.544.3795.599.2180.44-4.14136.045.4939.99-5.86
2019 (6)4.173.734.353.5787.53-3.6483.91-3.55128.96-4.7142.48-0.05
2018 (5)4.0217.24.20-13.2290.84-14.6587.0015.35135.34-11.1442.5043.82
2017 (4)3.436.524.84-22.93106.43-6.2575.4229.68152.305.1429.5510.18
2016 (3)3.22-0.316.28-2.48113.520.3758.162.67144.854.4626.82-13.73
2015 (2)3.23-3.876.44-1.23113.104.1156.651.21138.679.5331.09-18.18
2014 (1)3.361.26.52-0.91108.63-1.1655.970.87126.6010.538.00-25.24

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